How to make the element of matrix that represented an image (pixel) can be real number and how to back the result (real number) to be a pixel?

ow to make a matrix that represented an image to be a real number? I want operate this matrix as a real number because I need to read this matrix to a membership function and how to get the back the result in original form (for the real number to pixel)

Answer 1

[Image Analyst]

This will cast your uint8 image (called "uint8Image") into a double class variable (called "doubleImage"):

doubleImage = double(uint8Image);

To cast back to uint8:

uint8Image = uint8(doubleImage);

[Arif Munandar]

oke,,i found it..thanks

[Image Analyst]

Can you "Accept" the answer then? Thanks.